package com.atguigu.gulimall.cart.controller;

import com.atguigu.gulimall.cart.service.CartService;
import com.atguigu.gulimall.cart.vo.Cart;
import com.atguigu.gulimall.cart.vo.CartItem;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.ExecutionException;


/**
 * 2022/4/18 21:13 星期一
 * CartController
 * Created by ASIA 乔帅阳 .
 * --
 * --
 */
@Controller
public class CartController {


    @Resource
    private CartService cartService;

    @GetMapping("/currentUserCartItems")
    @ResponseBody
    public List<CartItem> getCurrentUserCartItems(){


        return cartService.getUserCartItems();
    }


    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId,
                            @RequestParam("num")Integer num){

        cartService.changeItemCount(skuId,num);
        return "redirect:http://cart.qsy.sale:82/cart.html";
    }


    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId,@RequestParam("check")Integer check){
        cartService.checkItem(skuId,check);
        return "redirect:http://cart.qsy.sale:82/cart.html";
    }

    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        //1、快速得到用户信息 ThreadLocal同一个线程共享数据
        //UserInfoTo userInfoTo = CartInterceptor.threadLocal.get();

        Cart cart = cartService.getCart();
        model.addAttribute("cart",cart);
        return "cartList";
    }

    /**
     * 添加购物车
     * @return
     */
    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId")Long skuId,
                            @RequestParam("num")Integer num,
                            RedirectAttributes ra) throws ExecutionException, InterruptedException {
        cartService.addToCart(skuId,num);
        ra.addAttribute("skuId",skuId);
        return "redirect:http://cart.qsy.sale:82/addToCartSuccess.html";
    }


    /**
     * 跳转到成功页
     * @param skuId
     * @param model
     * @return
     */
    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId")Long skuId,Model model){

        CartItem item = cartService.getCartItem(skuId);
        model.addAttribute("item",item);
        return "success";
    }


    /**
     * 删除购物项
     * @param skuId
     * @return
     */
    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.qsy.sale:82/cart.html";
    }
}
